Preoperative serum thyroglobulin concentration as a predictive factor of malignancy in small follicular and Hürthle cell neoplasms of the thyroid gland

Table 4 Independent risk factors for malignancy in follicular or Hürthle cell neoplasms

Factor	Subgroup	Odds ratio	95% confidence interval
Sex	Female	1	1.15 to 5.75
Sex	Male	2.57	1.15 to 5.75
Serum Tg concentration (ng/ml)	79 or less	1	1.30 to 4.25
Serum Tg concentration (ng/ml)	80 or more	2.35	1.30 to 4.25

The likelihood of malignancy as calculated by logistic regression (model summary: chi-square: 13.747; 2 degrees of freedom; P = 0.002; -2 log likelihood of 263.32).

ISSN: 1477-7819